Base | Representation |
---|---|
bin | 1010101101111… |
… | …10010110010000 |
3 | 20021011211110001 |
4 | 11112332112100 |
5 | 141004033444 |
6 | 12531015344 |
7 | 2141132161 |
oct | 526762620 |
9 | 207154401 |
10 | 89908624 |
11 | 46829753 |
12 | 2613a554 |
13 | 1581c490 |
14 | bd25768 |
15 | 7d5e8d4 |
hex | 55be590 |
89908624 has 40 divisors (see below), whose sum is σ = 188333432. Its totient is φ = 41333760.
The previous prime is 89908591. The next prime is 89908639. The reversal of 89908624 is 42680998.
It can be written as a sum of positive squares in 4 ways, for example, as 2822400 + 87086224 = 1680^2 + 9332^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64414 + ... + 65794.
Almost surely, 289908624 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 89908624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94166716).
89908624 is an abundant number, since it is smaller than the sum of its proper divisors (98424808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89908624 is a wasteful number, since it uses less digits than its factorization.
89908624 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1715 (or 1709 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 46.
The square root of 89908624 is about 9482.0158194342. The cubic root of 89908624 is about 447.9887592843.
The spelling of 89908624 in words is "eighty-nine million, nine hundred eight thousand, six hundred twenty-four".
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